public override void Update(Graphics g, double deltaTime)
{
base.Update(g, deltaTime);
if (FocusedControl != this)
{
return;
}
if (Readonly)
{
return;
}
if (Input.IsAnyKeyDown())
{
if (!tt.Trigger(deltaTime, true) && Input.PressedKeys.Length == 0)
{
return;
}
Key key = Input.DownKeys[0];
if (Input.PressedKeys.Length > 0)
{
key = Input.PressedKeys[0];
}
int idx = -1;
if (AllowAlphabet && Text.Length < MaxLength && (idx = Array.IndexOf(Key_AtoZ, key)) >= 0)
{
char c = 'a';
if (Input.Shift)
{
c = 'A';
}
c += (char)idx;
Text = Text.Insert(seek, c.ToString());
seek++;
}
else if (AllowNumber && Text.Length < MaxLength && (idx = Array.IndexOf(Key_0to9, key)) >= 0 && !Input.Shift)
{
char c = '0';
c += (char)idx;
Text = Text.Insert(seek, c.ToString());
seek++;
}
else if (AllowSpecial && Text.Length < MaxLength && key == Key.Period)
{
Text = Text.Insert(seek, ".");
seek++;
}
else if (AllowSpecial && Text.Length < MaxLength && key == Key.BackSlash && Input.Shift)
{
Text = Text.Insert(seek, "_");
seek++;
}
else if (AllowSpecial && Text.Length < MaxLength && key == Key.Space)
{
Text = Text.Insert(seek, " ");
seek++;
}
else if (key == Key.Enter && Text.Length < MaxLength)
{
Text = Text.Insert(seek, "\r\n");
seek += 2;
}
else if (key == Key.BackSpace && Text.Length > 0 && seek > 0)
{
if (Text[seek - 1] == '\n')
{
Text = Text.Remove(seek - 2, 2);
seek -= 2;
if (Text.Length > 0 && seek > 0)
{
Text = Text.Remove(seek - 1, 1);
seek--;
}
}
else
{
Text = Text.Remove(seek - 1, 1);
seek--;
}
}
else if (key == Key.Delete && Text.Length > 0)
{
Text = "";
seek = 0;
}
else if (key == Key.Left && seek > 0)
{
seek--;
}
else if (key == Key.Right && seek < Text.Length)
{
seek++;
}
}
else
{
tt.Trigger(deltaTime, false);
}
if (IsMouseOn && Input.IsButtonPressed(MouseButton.Left))
{
g = Drawer.GetGraphics();
var x = GetLocation(Size.X, Size.Y, Alignment).X + WorldLocation.X;
var px = Input.MousePosition.X - x;
var idx = 0;
while (idx < Text.Length)
{
var str = new string(Text.Take(idx + 1).ToArray());
var w = g.MeasureString(str, Font).Width;
if (px < w)
{
break;
}
idx++;
}
seek = idx;
}
}
